Dental handpiece



FIG. 1 is a right side view of a dental handpiece showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof, which is opposite to the right side view shown in FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof, which is opposite to the front view shown in FIG. 1. 

The ornamental design for a dental handpiece, as shown and described. 